package com.withered.controller;


import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloController implements Controller {
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        // ModelAndView 模型和视图
        ModelAndView mv = new ModelAndView();

        // 调用业务层

        // 封装对象，放在 ModelAndView 中。
        mv.addObject("msg", "helloSpringMVC!");

        // 封装要跳转的视图，放在 ModelAndView 中
        mv.setViewName("hello");  // /WEB-INF/jsp/hello.jsp

        return mv;
    }
}
